B65G 33/26
Screws
B65G33/26 (Screws) appears on 186 US grants and 153 published applications in this corpus.
Search patents in B65G- Granted patents
- 186
- Published applications
- 153
- Assignees
- 154
- Inventors
- 365
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 6 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 3 |
| 2006 | 2 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 5 |
| 2010 | 0 | 1 |
| 2011 | 6 | 5 |
| 2012 | 3 | 5 |
| 2013 | 3 | 5 |
| 2014 | 2 | 6 |
| 2015 | 8 | 11 |
| 2016 | 11 | 9 |
| 2017 | 7 | 9 |
| 2018 | 9 | 14 |
| 2019 | 11 | 11 |
| 2020 | 14 | 9 |
| 2021 | 10 | 11 |
| 2022 | 5 | 11 |
| 2023 | 7 | 7 |
| 2024 | 5 | 5 |
| 2025 | 4 | 12 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Screw having a web formed undercut for an extruder or conveyor1 Sep 2026US 12,722,129 B2EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft m.b.H.
- Shaft-mounted conveyor assembly23 Jun 2026US 12,662,327 B2Laitram, L. L. C.
- Processing apparatus and processing method2 Jun 2026US 12,644,052 B2The Japan Steel Works, Ltd.
- System and method for suppression of smoke and/or fire in an auger system26 May 2026US 12,637,296 B2Komar Industries, Inc.
- Adjustable screw conveyor for material processing31 Mar 2026US 12,589,946 B2International Business Machines Corporation
- Wear assembly for a helically formed, metal decanter screw conveyor20 Aug 2026US 2026/0242149 A1Alfa Laval Corporate AB
- Screw for feeding, spacing and/or orientation of containers in a packaging installation13 Aug 2026US 2026/0232357 A1Sidel Participations
- Auger conveyor system for milling machine6 Aug 2026US 2026/0225821 A1Caterpillar Paving Products Inc.
- Auger with first section of root having variable diameter, system, method of filling vessels and method of communicating particulate material, thereof11 Jun 2026US 2026/0159327 A1Altria Client Services LLC
- Piping systems and methods with an auger assembly30 Apr 2026US 2026/0117635 A1SPM Oil & Gas Inc.
Most cited
By later US patents
- Segmented auger conveyor40US 4,621,968 ATiger Industries, Inc. · 1986
- Helical conveyor35US 5,092,453 ASpirac Engineering AB · 1992
- Process and apparatus for applying pesticides to granular materials34US 3,968,771 AChevron Research Company · 1976
- Mixer for and method for mixing particulate constituents33US 4,205,919 ALondon Brick Buildings Limited · 1980
- Hard-surfaced screw conveyor for centrifuges30US 3,977,515 ABird Machine Company, Inc. · 1976